Fort Worth daily gazette. (Fort Worth, Tex.) 1882-1891, 1887-10-06

analysis in laboratory, or by putting
the sample to be tested in clear glass
bottle with 8 copper wire running Gown
through the c9-k alright. Sand the
whole in 4 sunny piECG 2ad leave for TWO
or three weeks; then il, or removal,
or green rust be on the copper,
there is an acid IN the oil. This g 6
rough, III ct}ve test for orgiue-room use.
- American Mschinist.
n. GareI ms Invented an electrical
method OK preparing paper stencils Tor
letters, circulars, etc. Ia this apps-2;us
piece OF very lain paper rests on = car
oou block connected with 0ue pole II =
small induction coil, while the style with
which the writing is dCra is connected
With the ether pole. On U5.sg th4 appa.
rElus series ot sparta pars between .Gc
style and the carbon block, psrtCraGH@
the paper, which can tasn be Ugcd a. q
stencil IL the ordinary waY.
Sometimes the lamp-Wick will C5stiD-
ejeiy refuse 10 be turned up in an orderly
manner. II will seem firmly wsGga(, ~
one side, While the other will luu up in <
point, causing weariEecs end y6xztlGl Of
spirit. To overcome this Geprag,ty take
Leg WICK, draw cut . single thread
resr the s2lya..e, and the wick vii De
fund quite fractabIs when introduced
into the burner. The C0gs will fs.ke il M
properly, and il viii appear in good form
end give sn even flame when Ilgated.
DR.. Charles Porter H1r5 recenJ!y read 8
paper in Inc American Association setting
f4gtl the theory th&t diseases located
above the diaphragm ere optimistic IL
II II Tendencies, while thoee below the
Diaphragm sra pegsimistic. According u
the table OF disea1e tendencies which the
author las constructed chest Giaeases
give buoyGnCy 30 the system, abdominal
diseases &Ie depressing, ana diseases 81
L constitutional eud chronic character,
Ike rheumatism, n5larIa and dr0psy, are
equally pessimistic and optimistic.
Canon TrislT1m he's recently classified
the fsoes 10 be found in the S.a OF
Gs)ilee, sgd hes announced stra1 &c
discovery. He SAYS thst these fishes dc
not belong tC the Mediterranean system,
but belong to the fish system CT the great
inland lakes Of Africa - Tanganyika
Nyasa, and the neighborlrg waters. The
Canon draws the Inference that untold
ages sgO the Jordan valley vas filed by
Lake which was joined 20 the Red Sea,
then fresh wzter lake, and wsicn II
turn. WAS IN d!rsCt communication witt
great lake system Ct Central Africa
The discovery If a new gas is ! rare
eCd imporfGut event to Chemists. SuCc
& discovery hss been announced in Ger
many 0y D.. Theodore CuTtius, wao las
succ edsd in preparing the l3Eg sought
| hYdrjde of Nitrogen anidngen, diamide
Or hydTszine, as s IS v@rioasIy called
fsis TemarkaI Il body, which has Hitherto
G:fll.d 81 attempts at isolation, is nov
shown 10 DC Z sas, perfectly stable up tt
s very nigh temperature, OF q peculisI
oGor diferirG from that Of ammonia, ex
CeediaSly soluble in water, ard Of bssit
properties, In composition it is uesrl!
Identical with smmonia, both being com
pouacs If nitrogen and hydrogen.
Mr.. e. P. White, IN C. communication Il
the Chemical Society, gives decided.
negative answer to the question whetbe
the acids Of canned fralls may not form
poisonous salts with the tin. He reports
as the result Of his experiments, ths
tin IS entirely devoid of DANCE
when taken internally in an
form that might erise from be
ing IN contact with fruits or vee
etables." He believes that the cases {
. accidental poisoning attributed to t.
7 were due to solder or other impurities